W. Aeschbach-hertig, Excess air in groundwater: problems and opportunities, Annual Meeting of GSA, 2004.

W. Aeschbach-hertig, F. Peeters, U. Beyerle, and R. Kipfer, Palaeotemperature reconstruction from noble gases in ground water taking into account equilibration with entrapped air, Nature, vol.9, issue.6790, pp.1040-1044, 2000.
DOI : 10.1007/BF00646402

L. Aquilina, V. De-montety, T. Labasque, J. Molénat, L. Ruiz et al., CFC and SF6 concentrations in shallow groundwater: implications for groundwater age determination. WRI-13, pp.16-20, 2010.
URL : https://hal.archives-ouvertes.fr/insu-00610311

L. Aquilina, V. Vergnaud-ayraud, T. Labasque, O. Bour, J. Molenat et al., Nitrate dynamics in agricultural catchments deduced from groundwater dating and long-term nitrate monitoring in surface??? and groundwaters, Science of The Total Environment, vol.435, issue.436, pp.435-436, 2012.
DOI : 10.1016/j.scitotenv.2012.06.028

URL : https://hal.archives-ouvertes.fr/insu-00787165

V. Ayraud, L. Aquilina, T. Labasque, H. Pauwels, J. Molenat et al., Compartmentalization of physical and chemical properties in hard-rock aquifers deduced from chemical and groundwater age analyses, Applied Geochemistry, vol.23, issue.9, pp.2686-2707, 2008.
DOI : 10.1016/j.apgeochem.2008.06.001

URL : https://hal.archives-ouvertes.fr/insu-00338893

N. B. Basu, P. Jindal, K. E. Schilling, C. F. Wolter, and E. S. Takle, Evaluation of analytical and numerical approaches for the estimation of groundwater travel time distribution, Journal of Hydrology, vol.475, pp.65-73, 2012.
DOI : 10.1016/j.jhydrol.2012.08.052

J. Böhlke, Groundwater recharge and agricultural contamination, Hydrogeology Journal, vol.10, issue.1, pp.153-179, 2002.
DOI : 10.1007/s10040-001-0183-3

J. K. Böhlke, J. M. Denver, L. Aquilina, E. Pételet-giraud, L. Cary et al., Combined Use of Groundwater Dating, Chemical, and Isotopic Analyses to Resolve the History and Fate of Nitrate Contamination in Two Agricultural Watersheds, Atlantic Coastal Plain, Maryland, Glacial recharge, salinisation and anthropogenic contamination in the coastal aquifers of Recife (Brazil). Sci. Total Environ, pp.2319-2339, 1995.
DOI : 10.1016/B978-0-444-42225-5.50006-1

P. G. Cook, L. Plummer, D. Solomon, E. Busenberg, and L. Han, Effects and processes that can modify apparent CFC age, Use of Chloroflurocarbons in Hydrology: A Guidebook, pp.31-58, 2006.

P. G. Cook, D. K. Solomon, L. N. Plummer, E. Busenberg, and S. L. Schiff, Chlorofluorocarbons as Tracers of Groundwater Transport Processes in a Shallow, Silty Sand Aquifer, Water Resources Research, vol.15, issue.C13, pp.425-43410, 1029.
DOI : 10.1029/GL015i002p00188

P. G. Cook, D. K. Solomon, W. E. Sanford, E. Busenberg, L. N. Plummer et al., Inferring shallow groundwater flow in saprolite and fractured rock using environmental tracers, Water Resources Research, vol.56, issue.16, pp.1501-15091096, 1029.
DOI : 10.2136/sssaj1992.03615995005600060012x

I. F. Creed and L. E. Band, Export of nitrogen from catchments within a temperate forest: Evidence for a unifying mechanism regulated by variable source area dynamics, Water Resources Research, vol.37, issue.suppl. 1, pp.3105-3120, 1998.
DOI : 10.1139/x89-231

W. G. Darling, D. C. Gooddy, A. M. Macdonald, and B. L. Morris, The practicalities of using CFCs and SF6 for groundwater dating and tracing, Applied Geochemistry, vol.27, issue.9, pp.1688-1697, 2012.
DOI : 10.1016/j.apgeochem.2012.02.005

C. Delbart, F. Barbecot, D. Valdes, A. Tognelli, E. Fourre et al., Investigation of young water inflow in karst aquifers using SF 6 ???CFC??? 3 H/He??? 85 Kr??? 39 Ar and stable isotope components, Applied Geochemistry, vol.50, pp.164-176, 2016.
DOI : 10.1016/j.apgeochem.2014.01.011

URL : https://hal.archives-ouvertes.fr/hal-00958031

O. Fovet, L. Ruiz, M. Faucheux, J. Molénat, M. Sekhar et al., Using long time series of agricultural-derived nitrates for estimating catchment transit times, Journal of Hydrology, vol.522, pp.603-617, 2015.
DOI : 10.1016/j.jhydrol.2015.01.030

URL : https://hal.archives-ouvertes.fr/insu-01113084

D. C. Gooddy, W. G. Darling, C. Abesser, and D. J. Lapworth, Using chlorofluorocarbons (CFCs) and sulphur hexafluoride (SF6) to characterise groundwater movement and residence time in a lowland Chalk catchment, Journal of Hydrology, vol.330, issue.1-2, pp.44-52, 2006.
DOI : 10.1016/j.jhydrol.2006.04.011

C. M. Hall, M. C. Castro, K. C. Lohmann, and L. Ma, Noble gases and stable isotopes in a shallow aquifer in southern Michigan: Implications for noble gas paleotemperature reconstructions for cool climates, Geophysical Research Letters, vol.15, issue.18, p.10, 1029.
DOI : 10.1029/96WR00600

J. D. Happell, S. Opsahl, Z. Top, and J. P. Chanton, Apparent CFC and 3H/3He age differences in water from Floridan Aquifer springs, Journal of Hydrology, vol.319, issue.1-4, pp.410-426, 2006.
DOI : 10.1016/j.jhydrol.2005.07.033

T. H. Heaton and J. C. Vogel, ???Excess air??? in groundwater, Journal of Hydrology, vol.50, pp.201-21610, 1981.
DOI : 10.1016/0022-1694(81)90070-6

O. Herzberg and E. Mazor, Hydrological applications of noble gases and temperature measurements in underground water systems: Examples from Israel, Journal of Hydrology, vol.41, issue.3-4, pp.217-231, 1979.
DOI : 10.1016/0022-1694(79)90063-5

M. Hrachowitz, H. H. Savenije, G. Blöschl, J. J. Mcdonnell, M. Sivapalan et al., A decade of Predictions in Ungauged Basins (PUB)???a review, Use of Chlorofluorocarbons in hydrology: A Guidebook, STI/PUB, pp.1-58, 1238.
DOI : 10.1016/0022-1694(86)90005-3

URL : https://hal.archives-ouvertes.fr/hal-01209127

P. Jean-baptiste, E. Fourré, A. Dapoigny, D. Baumier, N. Baglan et al., 3He mass spectrometry for very low-level measurement of organic tritium in environmental samples, Journal of Environmental Radioactivity, vol.101, issue.2, pp.185-190, 2010.
DOI : 10.1016/j.jenvrad.2009.10.005

P. Jean-baptiste, F. Mantisi, A. Dapoigny, and M. Stievenard, Design and performance of a mass spectrometric facility for measuring helium isotopes in natural waters and for low-level tritium determination by the 3He ingrowth method, International Journal of Radiation Applications and Instrumentation. Part A. Applied Radiation and Isotopes, vol.43, issue.7, pp.881-891, 1992.
DOI : 10.1016/0883-2889(92)90150-D

D. Kaown, D. Koh, and K. Lee, Effects of groundwater residence time and recharge rate on nitrate contamination deduced from ??18O, ??D, 3H/3He and CFCs in a small agricultural area in Chuncheon, Korea, Journal of Hydrology, vol.366, issue.1-4, pp.101-111, 2009.
DOI : 10.1016/j.jhydrol.2008.12.016

B. G. Katz, J. K. Böhlke, and H. D. Hornsby, Timescales for nitrate contamination of spring waters, northern Florida, USA, Chemical Geology, vol.179, issue.1-4, pp.167-186, 2001.
DOI : 10.1016/S0009-2541(01)00321-7

C. Kendall and J. J. Mcdonnell, Isotope Tracers in Catchment Hydrology, 1998.

R. Kipfer, W. Aeschbach-hertig, F. Peeters, and M. Stute, Noble gases in lakes and ground waters. Reviews in mineralogy and geochemistry, pp.615-700, 2002.
DOI : 10.2138/rmg.2002.47.14

URL : http://nbn-resolving.de/urn:nbn:de:bsz:352-opus-44559

J. W. Kirchner, X. Feng, and C. Neal, Catchment-scale advection and dispersion as a mechanism for fractal scaling in stream tracer concentrations, Journal of Hydrology, vol.254, issue.1-4, pp.82-101, 2001.
DOI : 10.1016/S0022-1694(01)00487-5

D. Koh, L. Plummer, K. Solomon, D. Busenberg, E. Kim et al., Application of environmental tracers to mixing, evolution, and nitrate contamination of ground water in Jeju Island, Korea, Journal of Hydrology, vol.327, issue.1-2, pp.258-275, 2006.
DOI : 10.1016/j.jhydrol.2005.11.021

T. Kolbe, J. Marçais, Z. Thomas, B. W. Abbott, J. De-dreuzy et al., Coupling 3D groundwater modeling with CFC-based age dating to classify local groundwater circulation in an unconfined crystalline aquifer, Journal of Hydrology, vol.543, pp.31-46, 2016.
DOI : 10.1016/j.jhydrol.2016.05.020

URL : https://hal.archives-ouvertes.fr/insu-01316583

T. Labasque, V. Vergnaud, and L. Aquilina, Recent methodology developed in Rennes (France) at Geosciences laboratory in groundwater dating using CFCs, SF6 and dissolved gases, pp.2-2, 2008.

L. Gal, L. Salle, C. Aquilina, L. Fourre, E. Jean-baptiste et al., Groundwater residence time downgradient of Trench No. 22 at the Chernobyl Pilot Site: Constraints on hydrogeological aquifer functioning, Appl. Geochem, vol.27, pp.1304-1319, 2012.
URL : https://hal.archives-ouvertes.fr/insu-00709936

C. Legout, J. Molenat, L. Aquilina, C. Gascuel-odoux, M. Faucheux et al., Solute transfer in the unsaturated zone-groundwater continuum of a headwater catchment, Journal of Hydrology, vol.332, issue.3-4, pp.427-441, 2007.
DOI : 10.1016/j.jhydrol.2006.07.017

URL : https://hal.archives-ouvertes.fr/bioemco-00169434

C. Legout, J. Molenat, S. Lefebvre, P. Marmonier, and L. Aquilina, Investigation of Biogeochemical Activities in the Soil and Unsaturated Zone of Weathered Granite, Biogeochemistry, vol.35, issue.2, pp.329-350, 2005.
DOI : 10.1007/s10533-005-0110-0

URL : https://hal.archives-ouvertes.fr/insu-00385338

P. Maloszewski and A. Zuber, Determining the turnover time of groundwater systems with the aid of environmental tracers, Journal of Hydrology, vol.57, issue.3-4, pp.207-231, 1982.
DOI : 10.1016/0022-1694(82)90147-0

C. Martin, L. Aquilina, C. Gascuel-odoux, J. Molénat, M. Faucheux et al., Seasonal and interannual variations of nitrate and chloride in stream waters related to spatial and temporal patterns of groundwater concentrations in agricultural catchments, Hydrological Processes, vol.18, issue.7, pp.1237-1254, 2004.
DOI : 10.1002/hyp.1395

C. Martin, J. Molenat, C. Gascuel-odoux, J. M. Vouillamoz, H. Robain et al., Modelling the effect of physical and chemical characteristics of shallow aquifers on water and nitrate transport in small agricultural catchments, Journal of Hydrology, vol.326, issue.1-4, pp.25-42, 2006.
DOI : 10.1016/j.jhydrol.2005.10.040

URL : https://hal.archives-ouvertes.fr/bioemco-00396165

J. B. Martin, M. J. Kurz, and M. B. Khadka, Climate control of decadal-scale increases in apparent ages of eogenetic karst spring water, Journal of Hydrology, vol.540, pp.988-1001, 2016.
DOI : 10.1016/j.jhydrol.2016.07.010

J. Molénat, P. Davy, C. Gascuel-odoux, and P. Durand, Spectral and cross-spectral analysis of three hydrological systems, Physics and Chemistry of the Earth, Part B: Hydrology, Oceans and Atmosphere, vol.25, issue.4, pp.391-397, 2000.
DOI : 10.1016/S1464-1909(00)00032-0

J. Molenat, P. Durand, C. Gascuel-odoux, P. Davy, and G. Gruau, Mechanisms of Nitrate Transfer from Soil to Stream in an Agricultural Watershed of French Brittany, Water, Air, and Soil Pollution, vol.133, issue.1/4, pp.161-183101012903626192, 1023.
DOI : 10.1023/A:1012903626192

J. Molénat and C. Gascuel-odoux, Modelling flow and nitrate transport in groundwater for the prediction of water travel times and of consequences of land use evolution on water quality, Hydrological Processes, vol.36, issue.2, pp.479-492, 2002.
DOI : 10.1029/2000WR900035

J. Molénat, C. Gascuel-odoux, L. Aquilina, and L. Ruiz, Use of gaseous tracers (CFCs and SF6) and transit-time distribution spectrum to validate a shallow groundwater transport model, Journal of Hydrology, vol.480, pp.1-9, 2013.
DOI : 10.1016/j.jhydrol.2012.11.043

J. Molenat, C. Gascuel-odoux, L. Ruiz, and G. Gruau, Role of water table dynamics on stream nitrate export and concentration in agricultural headwater catchment (France), Journal of Hydrology, vol.348, issue.3-4, pp.363-378, 2008.
DOI : 10.1016/j.jhydrol.2007.10.005

URL : https://hal.archives-ouvertes.fr/insu-00266765

C. Neal and J. W. Kirchner, Sodium and chloride levels in rainfall, mist, streamwater and groundwater at the Plynlimon catchments, mid-Wales: inferences on hydrological and chemical controls, Hydrology and Earth System Sciences, vol.4, issue.2, 2000.
DOI : 10.5194/hess-4-295-2000

URL : https://hal.archives-ouvertes.fr/hal-00304610

B. D. Newman, K. Osenbrück, W. Aeschbach-hertig, K. Solomon, D. Cook et al., Dating of ???young??? groundwaters using environmental tracers: advantages, applications, and research needs, Isotopes in Environmental and Health Studies, vol.97, issue.3, pp.259-278, 2010.
DOI : 10.1029/2000JD900141

H. Oster, C. Sonntag, and K. O. Münnich, Groundwater age dating with chlorofluorocarbons, Water Resources Research, vol.88, issue.1-4, pp.2989-3001, 1996.
DOI : 10.1029/JC088iC13p08574

L. K. Rademacher, J. F. Clark, G. B. Hudson, D. C. Erman, and N. A. Erman, Chemical evolution of shallow groundwater as recorded by springs, Sagehen basin; Nevada County, California, Chemical Geology, vol.179, issue.1-4, pp.37-51, 2001.
DOI : 10.1016/S0009-2541(01)00314-X

M. Rouxel, J. Molénat, L. Ruiz, C. Legout, M. Faucheux et al., Seasonal and spatial variation in groundwater quality along the hillslope of an agricultural research catchment (Western France), Hydrological Processes, vol.285, issue.6, pp.831-841, 2011.
DOI : 10.1016/S0022-1694(03)00271-3

URL : https://hal.archives-ouvertes.fr/insu-00564712

M. Rouxel, L. Ruiz, J. Molenat, Y. Hamon, G. Chirie et al., Experimental Determination of Hydrodynamic Properties of Weathered Granite, Vadose Zone Journal, vol.11, issue.3, 2012.
DOI : 10.2136/vzj2011.0076

URL : https://hal.archives-ouvertes.fr/hal-01001294

L. Ruiz, S. Abiven, P. Durand, C. Martin, F. Vertes et al., Effect on nitrate concentration in stream water of agricultural practices in small catchments in Brittany: I. Annual nitrogen budgets, Hydrology and Earth System Sciences, vol.6, issue.3, 2002.
DOI : 10.5194/hess-6-497-2002

URL : https://hal.archives-ouvertes.fr/hal-00330839

L. Ruiz, S. Abiven, C. Martin, P. Durand, V. Beaujouan et al., Effect on nitrate concentration in stream water of agricultural practices in small catchments in Brittany: II. Temporal variations and mixing processes, Hydrology and Earth System Sciences, vol.6, issue.3, pp.507-513, 2002.
DOI : 10.5194/hess-6-507-2002

URL : https://hal.archives-ouvertes.fr/hal-00330840

P. Schlosser, M. Stute, C. Sonntag, and K. O. Münnich, Tritiogenic 3He in shallow groundwater, Earth and Planetary Science Letters, vol.94, issue.3-4, pp.3-4, 1989.
DOI : 10.1016/0012-821X(89)90144-1

M. Stute, M. Forster, H. Frischkorn, A. Serejo, J. F. Clark et al., Cooling of Tropical Brazil (5??C) During the Last Glacial Maximum, Science, vol.269, issue.5222, pp.379-383, 1995.
DOI : 10.1126/science.269.5222.379

A. Suckow, The age of groundwater ??? Definitions, models and why we do not need this term, Applied Geochemistry, vol.50, 2014.
DOI : 10.1016/j.apgeochem.2014.04.016